#include <stdio.h>

void hello()
{
   printf("hello\n");

}

int main()
{
    int a[3][3] = {  
        (0,1,2),     //括号用错 变成逗号表达式 a[0][0] = 2,a[0][1] = 5,a[0][2] = 8
        (3,4,5),
        (6,7,8),
    };
    int i = 0;
    int j = 0;

    while(i < 5)
        printf("i = %d\n",i),

        hello(),

        i++;
    
    for(i = 0; i <3; i++)
        for(j=0; j<3; j++)
        {
            printf("a[%d][%d] = %d\n",i,j,a[i][j]);

        }

    return 0;
}